Siamak Nemati (Persian: سیامک نعمتی) is an Iranian professional footballer who plays as a right midfielder and right back.

He was part of the Steel Azin squad in 2011–12 Iran Football's 2nd Division and scored 4 times.

He helped Moghavemat to win the 2013–14 Tehran Asia Vision U21 Premier League.

[3] On 7 June 2017, Nemati joined Persian Gulf Pro League champions Persepolis on a two-year contract.

In his second year, Nemati showed his versatility by playing in different positions and scored 6 goals for the team.